Watch laptop should I use for streaming video? A i7. i7's are made to process video faster than a i5 or i3.

When researching a laptop or desktop computer, make sure it has 3.0 usb ports, graphic card (Geforce GTX 980) which is the newest graphic card. How many 3.0 usb ports will I need 3 or up to 6. How many 2.0 usb ports 2